chore(deps): update dependency eslint-plugin-prettier to ^3.1.1 (#468)

Author: renovate[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "del-cli": "^1.1.0",
     "eslint": "^6.4.0",
     "eslint-plugin-import": "^2.18.2",
-    "eslint-plugin-prettier": "^3.1.0",
+    "eslint-plugin-prettier": "^3.1.1",
     "express": "^4.17.1",
     "file-loader": "^4.2.0",
     "husky": "^3.0.5",